Reported by SPC today.
It is the 171st strongest of the 227 detections recorded within 20 km of this point since 11 March 2026. The last comparable one was on 2 September 2026.
What the source measured
SPC reported: Wind UNK kt near 1 SW Green Valley, Frederick, MD. Tree down along Browningsville Road. Time estimated via radar. (LWX)
An estimated 2,314,670 people live within 50 km of this point.
Nearby, since 11 March 2026
- September 2, 2026 · score 46 · 0.0 km
- July 18, 2026 · score 76 · 2.8 km
- July 6, 2026 · score 52 · 3.2 km
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 81% |
| Coordinates | 39.3300, -77.2600 |
| Nearest City | Damascus (7 km) |
| Population Exposed | 2.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T01:22:02.583Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 1 SW Green Valley |
| County | Frederick |
| State | MD |
| Comments | Tree down along Browningsville Road. Time estimated via radar. (LWX) |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Damascus?
Calamity.live data shows a weather event with CalamityScore 46/100, near Damascus (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.